Udhayam NH4 is a Romantic thriller Tamil movie directed by Manimaran. This is his first movie who was a assistant to Vetrimaran. Siddharth and Ashrita Shetty did the lead roles in this film. Music and film background score was composed by GV Prakash kumar.

Yaaro Ivan song lyrics was written by Na.Muthukumar and this song was sung by GV Prakash kumar and Sainthavi. Actor Siddharth sung the Telugu version of this song. On Valentine’s day, the track “Yaaro Ivan” was unveiled at Suryan FM. The soundtrack album was composed by G. V. Prakash Kumar. The music rights were acquired by Sony Music India.

Vetrimaaran has written the script, done the screenplay, and also penned the dialogues for this film. The story takes place in Bangalore, Karnataka. The film’s soundtrack and background score were composed by G. V. Prakash Kumar. The film released along with a dubbed Telugu version titled NH4 on 19 April 2013